He aha te tikanga o te peke rivet matapo?

Mahunga pekepeke rivet matapo: na te mea karekau te rivet e takai i te mahunga whao, ka peke te upoko o te rivet.

https://www.yukerivet.com/news/the-core-of-the-blind-rivet-is-not-completely-pulled-out-what-is-the-reason-for-the-fracture/